UoM Errors in Groups since OH 2.5

mas · December 24, 2019, 11:22am

Items and groups that worked fine in 2.4 now generate warnings and errors in 2.5.

I suspect it has to do with QuantityTypes and Groups. Unfortunately I can’t identify the exact problem from the error messages.

I hope someone can help me.

2019-12-24 12:03:38.849 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'Wetter (Type=GroupItem, Members=6, State=NULL, Label=Wetterdaten, Category=sun_clouds)' about state update of item Solarstrahlung: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 12:03:38.850 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'Ps_Rrd4j (Type=GroupItem, Members=23, State=NULL, Label=RRD4J, Category=null)' about state update of item Solarstrahlung: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 12:05:11.059 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'org.eclipse.smarthome.core.persistence.internal.PersistenceManagerImpl@a2c66f' about state update of item Solarstrahlung: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 12:05:11.062 [ERROR] [me.core.internal.events.EventHandler] - Dispatching/filtering event for subscriber 'org.eclipse.smarthome.core.events.EventSubscriber' failed: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[?:?]
	at org.eclipse.smarthome.core.items.GenericItem.applyState(GenericItem.java:234) ~[?:?]
	at org.eclipse.smarthome.core.items.GenericItem.setState(GenericItem.java:219) ~[?:?]
	at org.eclipse.smarthome.core.library.items.NumberItem.setState(NumberItem.java:121) ~[?:?]
	at org.eclipse.smarthome.core.internal.items.ItemUpdater.receiveUpdate(ItemUpdater.java:75) ~[?:?]
	at org.eclipse.smarthome.core.items.events.AbstractItemEventSubscriber.receive(AbstractItemEventSubscriber.java:52) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.lambda$0(EventHandler.java:155) ~[?:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_222]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 12:05:11.059 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'Ps_Rrd4j (Type=GroupItem, Members=23, State=NULL, Label=RRD4J, Category=null)' about state update of item Solarstrahlung: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 12:05:42.057 [ERROR] [me.core.internal.events.EventHandler] - Creation of ESH-Event failed, because one of the registered event factories has thrown an exception: Error invoking #valueOf(String) on class 'org.eclipse.smarthome.core.library.types.QuantityType' with value '114.0 1/(m²·m²)'.
java.lang.IllegalStateException: Error invoking #valueOf(String) on class 'org.eclipse.smarthome.core.library.types.QuantityType' with value '114.0 1/(m²·m²)'.
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:189) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseType(ItemEventFactory.java:157) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.getState(ItemEventFactory.java:135) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.createStateChangedEvent(ItemEventFactory.java:130) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.createEventByType(ItemEventFactory.java:83) ~[?:?]
	at org.eclipse.smarthome.core.events.AbstractEventFactory.createEvent(AbstractEventFactory.java:55) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.createESHEvent(EventHandler.java:134) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.handleEvent(EventHandler.java:108) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.handleEvent(EventHandler.java:85) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.ThreadedEventHandler.lambda$0(ThreadedEventHandler.java:67) ~[?:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:180) ~[?:?]
	... 10 more
Caused by: java.lang.IllegalArgumentException: unexpected token 8
	at tec.uom.se.quantity.Quantities.getQuantity(Quantities.java:80) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.<init>(QuantityType.java:95) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.valueOf(QuantityType.java:138) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:180) ~[?:?]
	... 10 more

The item definition, which probably concerns it, looks as follows:

Group	Wetter			"Wetterdaten"		<sun_clouds>
Group	Ps_Rrd4j        "RRD4J"

Number:Temperature      Temperatur		"Temperatur [%.1f °C]"		<temperature>	(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Temperatur:.*?\\s*(\\d+.\\d+)\\s*°C.*)]" }
Number:Dimensionless    Luftfeuchte		"Luftfeuchte [%d %%]"		<humidity>		(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Luftfeuchte:.*?\\s*(\\d+)\\s*%.*)]" }
Number:Pressure	        Luftdruck		"Luftdruck [%.1f hPa]"		<pressure>		(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Luftdruck:.*?\\s*(\\d+.\\d+)\\s*hPa.*)]" }
Number:Speed	        Regenrate		"Regenrate [%.1f mm/h]"		<rain>			(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Regen \\(Rate\\):.*?\\s*(\\d+.\\d+)\\s*mm\\/h.*)]" }
Number:Speed	        Wind			"Wind [%.1f km/h]"			<wind>			(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Wind:.*?\\s*(\\d+.\\d+)\\s*km\\/h.*)]" }
Number:Intensity	    Solarstrahlung	"Solarstrahlung [%d W/m²]"	<solarplant>	(Ps_Rrd4j, Wetter)    { http="<[weatherCache:30000:REGEX(.*Solarstrahlung:.*?\\s*(\\d+)\\s*Watt\\/m².*)]" }

Bruce_Osborne · December 24, 2019, 12:37pm

What about the comparison rule?

JMahmens · December 24, 2019, 12:41pm

This maybe the Problem

mas · December 24, 2019, 1:03pm

This also amazes me. But what does this unit 1/**(m²·m²)** mean? I do not use such a unit anywhere. Is it possible to determine where this unit comes from?

rossko57 · December 24, 2019, 1:21pm

Looks a bit like an intensity, for a guess.

It’s a bit curious why the group is even bothering to process member updates with no aggregation function specified. If it’s not a bug, it would be a performance enhancement not to do so.

mas · December 24, 2019, 2:05pm

I have commented out all rules where these items occur. There are only the item definitions without rules.
I have now cleaned up the cache and restarted it. Unfortunately still the same problem:

2019-12-24 14:51:47.694 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'Wetter (Type=GroupItem, Members=6, State=NULL, Label=Wetterdaten, Category=sun_clouds)' about state update of item Regenrate: Unable to convert to system unit during compare.
java.lang.IllegalArgumentException: Unable to convert to system unit during compare.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:171) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]

Bruce_Osborne · December 24, 2019, 2:18pm

That is not a supported Unit of Measurement.

List of Units

All units which are currently supported by default are listed in the tables below.

Imperial:

Type Unit Symbol

Pressure Inch of Mercury inHg

Temperature Fahrenheit °F

Speed Miles per Hour mph

Length Inch in

Length Foot ft

Length Yard yd

Length Chain ch

Length Furlong fur

Length Mile mi

Length League lea

SI:

Type Unit Symbol

Acceleration Metre per square Second m/s²

AmountOfSubstance Mole mol

Angle Radian rad

Angle Degree °

Angle Minute Angle ’

Angle Second Angle ‘’

Area Square Metre m²

ArealDensity Dobson Unit DU

CatalyticActivity Katal kat

Dimensionless Percent %

Dimensionless Parts per Million ppm

Dimensionless Decibel dB

ElectricPotential Volt V

ElectricCapacitance Farad F

ElectricCharge Coulomb C

ElectricConductance Siemens S

ElectricCurrent Ampere A

ElectricInductance Henry H

ElectricResistance Ohm Ω

Energy Joule J

Energy Watt Second Ws

Energy Watt Hour Wh

Energy KiloWatt Hour kWh

Force Newton N

Frequency Hertz Hz

Illuminance Lux lx

Intensity Irradiance W/m²

Length Metre m

Length Kilometre km

LuminousFlux Lumen lm

LuminousIntensity Candela cd

MagneticFlux Weber Wb

MagneticFluxDensity Tesla T

Mass Kilogram kg

Mass Gram g

Power Watt W

Pressure Pascal Pa

Pressure hectoPascal hPa

Pressure Millimetre of Mercury mmHg

Pressure Bar bar

Pressure milliBar mbar

Radioactivity Becquerel Bq

RadiationDoseAbsorbed Gray Gy

RadiationDoseEffective Sievert Sv

SolidAngle Steradian sr

Speed Metre per Second m/s

Speed Kilometre per Hour km/h

Speed Knot kn

Temperature Kelvin K

Temperature Celsius °C

Time Second s

Time Minute min

Time Hour h

Time Day d

Time Week week

Time Year y

Volume Cubic Metre m³

Prefixes:

Name Symbol Value

Yotta Y 10²⁴

Zetta Z 10²¹

Exa E 10¹⁸

Peta P 10¹⁵

Tera T 10¹²

Giga G 10⁹

Mega M 10⁶

Kilo k 10³

Hecto h 10²

Deca da 10

Deci d 10⁻¹

Centi c 10⁻²

Milli m 10⁻³

Micro µ 10⁻⁶

Nano n 10⁻⁹

Pico p 10⁻¹²

Femto f 10⁻¹⁵

Atto a 10⁻¹⁸

Zepto z 10⁻²¹

Yocto y 10⁻²⁴

JMahmens · December 24, 2019, 2:21pm

From the Doc’s at units-of-measurement I find that Intensity has W/m². Maybe the Source of that Value has a problem or an other Unit. The result may confusing the UnitParser.

mas · December 24, 2019, 2:27pm

I haven’t defined that unit anywhere.
I only have the following units, which should all exist. At least they existed in OH 2.4

Number:Temperature      Temperatur		"Temperatur [%.1f °C]"
Number:Dimensionless    Luftfeuchte		"Luftfeuchte [%d %%]"
Number:Pressure	        Luftdruck		"Luftdruck [%.1f hPa]"
Number:Speed	        Regenrate		"Regenrate [%.1f mm/h]"
Number:Speed	        Wind			"Wind [%.1f km/h]"
Number:Intensity	    Solarstrahlung	"Solarstrahlung [%d W/m²]"

Bruce_Osborne · December 24, 2019, 2:28pm

That one is not in the list for 2.4 or 2.5.

rossko57 · December 24, 2019, 2:32pm

It is telling you that your Item regenerate is at the heart of this.

You seem to have specified units for that of mm/h I don’t think Number:Speed supports those units, so you end up with some kind of mashed up guess.

mas · December 24, 2019, 2:45pm

Doesn’t that work with the prefixes? Instead of kilo, milli is used for the speed specification?

km/h exists, but instead of the prefix ‘k’ the prefix ‘m’ is used --> mm/h

In OH 2.4 it worked perfectly with the specification mm/h.

Bruce_Osborne · December 24, 2019, 2:49pm

Likely, but m/h does not exist. You removed part of a supported unit instead of just appending a prefix.
You may be able to use mm/s and divide the result. That should be more accurate than using km/h and multiplying the result.

rossko57 · December 24, 2019, 5:23pm

“Used to work” might mean the validation has been tightened up.

I’m still of the opinion that the parent group need not be poking at this - but if it didn’t, something else likely would in display or something like.

mas · December 24, 2019, 5:32pm

Since the unit mm/s seems to be really not supported. I have removed it:

Number:Temperature      Temperatur		"Temperatur [%.1f °C]"
Number:Dimensionless    Luftfeuchte		"Luftfeuchte [%d %%]"
Number:Pressure	        Luftdruck		"Luftdruck [%.1f hPa]"
Number Regenrate		"Regenrate [%.1f]"
Number:Speed	        Wind			"Wind [%.1f km/h]"
Number:Intensity	    Solarstrahlung	"Solarstrahlung [%d W/m²]"

But now I still get the following error message:

2019-12-24 18:16:24.948 [vent.ItemStateChangedEvent] - Wind changed from 17.7 km/h to 27.4 km/h
2019-12-24 18:16:25.005 [vent.ItemStateChangedEvent] - Solarstrahlung changed from 0.0 W/m² to 0.0 W/m²
2019-12-24 18:16:55.629 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'org.eclipse.smarthome.model.rule.runtime.internal.engine.RuleEngineImpl@10be966' about state update of item Wind: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 18:16:55.629 [ERROR] [me.core.internal.events.EventHandler] - Dispatching/filtering event for subscriber 'org.eclipse.smarthome.core.events.EventSubscriber' failed: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[?:?]
	at org.eclipse.smarthome.core.items.GenericItem.applyState(GenericItem.java:234) ~[?:?]
	at org.eclipse.smarthome.core.items.GenericItem.setState(GenericItem.java:219) ~[?:?]
	at org.eclipse.smarthome.core.library.items.NumberItem.setState(NumberItem.java:121) ~[?:?]
	at org.eclipse.smarthome.core.internal.items.ItemUpdater.receiveUpdate(ItemUpdater.java:75) ~[?:?]
	at org.eclipse.smarthome.core.items.events.AbstractItemEventSubscriber.receive(AbstractItemEventSubscriber.java:52) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.lambda$0(EventHandler.java:155) ~[?:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_222]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 18:16:55.629 [WARN ] [pse.smarthome.core.items.GenericItem] - failed notifying listener 'org.eclipse.smarthome.core.persistence.internal.PersistenceManagerImpl@109cb09' about state update of item Wind: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.
	at org.eclipse.smarthome.core.library.types.QuantityType.compareTo(QuantityType.java:174) ~[bundleFile:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.equals(QuantityType.java:156) ~[bundleFile:?]
	at org.eclipse.smarthome.core.items.GenericItem$1.run(GenericItem.java:260) [bundleFile:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_222]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_222]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
2019-12-24 18:17:26.370 [ERROR] [me.core.internal.events.EventHandler] - Creation of ESH-Event failed, because one of the registered event factories has thrown an exception: Error invoking #valueOf(String) on class 'org.eclipse.smarthome.core.library.types.QuantityType' with value '27.4 1/(h·h)'.
java.lang.IllegalStateException: Error invoking #valueOf(String) on class 'org.eclipse.smarthome.core.library.types.QuantityType' with value '27.4 1/(h·h)'.
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:189) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseType(ItemEventFactory.java:157) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.getState(ItemEventFactory.java:135) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.createStateChangedEvent(ItemEventFactory.java:130) ~[?:?]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.createEventByType(ItemEventFactory.java:83) ~[?:?]
	at org.eclipse.smarthome.core.events.AbstractEventFactory.createEvent(AbstractEventFactory.java:55) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.createESHEvent(EventHandler.java:134) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.handleEvent(EventHandler.java:108) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.EventHandler.handleEvent(EventHandler.java:85) ~[?:?]
	at org.eclipse.smarthome.core.internal.events.ThreadedEventHandler.lambda$0(ThreadedEventHandler.java:67) ~[?:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:180) ~[?:?]
	... 10 more
Caused by: java.lang.IllegalArgumentException: unexpected token 8
	at tec.uom.se.quantity.Quantities.getQuantity(Quantities.java:80) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.<init>(QuantityType.java:95) ~[?:?]
	at org.eclipse.smarthome.core.library.types.QuantityType.valueOf(QuantityType.java:138) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
	at org.eclipse.smarthome.core.items.events.ItemEventFactory.parseSimpleClassName(ItemEventFactory.java:180) ~[?:?]
	... 10 more

I cross-checked the units against the list. I only use units that are also on the list. But it does not work anymore.

rlkoshak · December 24, 2019, 6:13pm

RuleEngineImpl

The error is caused by a Rule.

And the error is clear:

item Wind: Can not compare incompatible units.
java.lang.IllegalArgumentException: Can not compare incompatible units.

You updated your Items but did you update your Rules?

with value ‘27.4 1/(h·h)’

Assuming this is the value in your Rule it really makes no sense at all. What’s 1/(h-h) supposed to be?

Again, like rossko57 said, doesn’t work anymore can mean “it’s always been broken, the error checking is only now firmed up to where OH tells you about it.”

rossko57 · December 24, 2019, 8:46pm

Out of curiosity, I tried -
items

Group gBananas "aggregation"
Number:Speed testSpeed "test speed" (gBananas)
Number testnoSpeed "test plain" (gBananas)

and rule fragment, close as I could approximate to what your channels do

postUpdate(testSpeed.name , "11")
postUpdate(testnoSpeed.name , "111")
Thread::sleep(1000)
logInfo("test","with " + testSpeed.state.toString)
logInfo("test","without " + testnoSpeed.state.toString)

postUpdate(testSpeed.name , "22 leagues")
postUpdate(testnoSpeed.name , "222 leagues")
Thread::sleep(1000)
logInfo("test","with " + testSpeed.state.toString)
logInfo("test","without " + testnoSpeed.state.toString)

postUpdate(testSpeed.name , "33 km/h")
postUpdate(testnoSpeed.name , "33 km/h")
Thread::sleep(1000)
logInfo("test","with " + testSpeed.state.toString)
logInfo("test","without " + testnoSpeed.state.toString)

postUpdate(testSpeed.name , "44 mm/h")
postUpdate(testnoSpeed.name , "44 mm/h")
Thread::sleep(1000)
logInfo("test","with " + testSpeed.state.toString)
logInfo("test","without " + testnoSpeed.state.toString)

results

2019-12-24 20:26:46.820 [INFO ] [.eclipse.smarthome.model.script.test] - with 11.0 km/h
2019-12-24 20:26:46.821 [INFO ] [.eclipse.smarthome.model.script.test] - without 111

2019-12-24 20:26:46.823 [WARN ] [rthome.model.script.actions.BusEvent] - Cannot convert '22 leagues' to a state type which item 'testSpeed' accepts: [DecimalType, QuantityType, UnDefType].
2019-12-24 20:26:46.825 [WARN ] [rthome.model.script.actions.BusEvent] - Cannot convert '222 leagues' to a state type which item 'testnoSpeed' accepts: [DecimalType, QuantityType, UnDefType].
2019-12-24 20:26:47.827 [INFO ] [.eclipse.smarthome.model.script.test] - with 11.0 km/h
2019-12-24 20:26:47.828 [INFO ] [.eclipse.smarthome.model.script.test] - without 111

2019-12-24 20:26:48.833 [INFO ] [.eclipse.smarthome.model.script.test] - with 32.99997360002111816666666666666667 km/h
2019-12-24 20:26:48.836 [INFO ] [.eclipse.smarthome.model.script.test] - without 33 km/h

2019-12-24 20:26:49.840 [INFO ] [.eclipse.smarthome.model.script.test] - with 0.00004399996480002815755555555555555555 km/h
2019-12-24 20:26:49.841 [INFO ] [.eclipse.smarthome.model.script.test] - without 44 mm/h

Conclusions;
test 1 - you can update a QuantityType Item with a plain number - the state will just assume the system default units i.e. km/h for Speed

test 2 - you can update a “plain” Number with a valid QuantityType, and it will acquire the units you gave. Noted that surprise before. Suspect this will not have the full properties of a defined QT e.g. conversions.

test 3 -neither Number nor QT Item will accept some numeric with made-up units. Attempt ignored.

test 4 - mm/h is accepted as a valid QT, updates QT Item with conversion to its current units (km/h) , and updates plain Number as given.

Note that in no cases could I set an invalid Item state, so in turn I could not provoke a Group based error.

Where does that leave you?
My postUpdate(string,string) is only an approximation of what a binding does.
Note in particular that you are using a version 1.x binding for your Items, not channels. v1.x bindings have no idea about units and Quantity Types, were not invented in OH1.
Trying to get around this by building a string "numeric units" is I think doomed to failure. I’ve not seen any documentation that suggests this could work.

mas · December 24, 2019, 9:51pm

As you can see here, there is the unit. It is only not yet listed in the documentation.

github.com/openhab/openhab-core

[UoM] Add additional speed unit (m/h)

opened 05:37PM - 24 Dec 19 UTC

closed 09:43PM - 24 Dec 19 UTC

Markkuuss

There already exist the speed data meters per second and kilometers per hour. … The rain rate for weather data is mm/h, which unfortunately cannot be represented with the current units even with prefixes. If the unit meter per hour were included, the milli-prefix could also represent mm/h. Type | Unit | Symbol ------------ | ------------- | ------------- Speed | Metre per Second | m/s Speed | Kilometre per Hour | km/h Speed | Knot | kn **_Speed_** | **_Metre per Hour_** | **_m/h_**

cweitkamp · December 24, 2019, 9:58pm

@rossko57 the results of test 1 makes me curious because I experienced a different result in Units Of Measurement (Illuminance) format error · Issue #986 · openhab/openhab-core · GitHub.

There is a pending PR to update the documentation with all available units in OH 2.5:

github.com/openhab/openhab-docs

Update Unit of Measurements with new Units from openhab-core

openhab:master ← Cossey:master

opened 09:12AM - 21 Aug 19 UTC

Cossey

+136 -93

@cweitkamp requested that I update the documentation to reflect the new Unit of …Measurements currently available in openHAB core. _Someone may want to check the stylizing of some of the unit names._ **Note: I have a Pull Request open for openhab/openhab-core#990 which corrects two unit symbols I found when documenting the new Units.** Signed-off-by: Stewart Cossey <stewart.cossey@gmail.com>

rossko57 · December 24, 2019, 11:00pm

What’s subtly different about my little test (writing plain Number to Quantity Item) is that there is no units “hint” in Item label [format]. So in case its something to do with use of [%unit%] in label, I edited my test Item - still fine, post a plain number to Quantity type and Item assumes new value with km/h.
Perhaps Java version matters - I have Oracle 1.8

Looking again at my results, there is the odd case of posting 44 mm/h and it getting stored as 0.000044 km/h. I thought it would store in given units, never work this stuff out

Type	Unit	Symbol
Pressure	Inch of Mercury	inHg
Temperature	Fahrenheit	°F
Speed	Miles per Hour	mph
Length	Inch	in
Length	Foot	ft
Length	Yard	yd
Length	Chain	ch
Length	Furlong	fur
Length	Mile	mi
Length	League	lea

Type	Unit	Symbol
Acceleration	Metre per square Second	m/s²
AmountOfSubstance	Mole	mol
Angle	Radian	rad
Angle	Degree	°
Angle	Minute Angle	’
Angle	Second Angle	‘’
Area	Square Metre	m²
ArealDensity	Dobson Unit	DU
CatalyticActivity	Katal	kat
Dimensionless	Percent	%
Dimensionless	Parts per Million	ppm
Dimensionless	Decibel	dB
ElectricPotential	Volt	V
ElectricCapacitance	Farad	F
ElectricCharge	Coulomb	C
ElectricConductance	Siemens	S
ElectricCurrent	Ampere	A
ElectricInductance	Henry	H
ElectricResistance	Ohm	Ω
Energy	Joule	J
Energy	Watt Second	Ws
Energy	Watt Hour	Wh
Energy	KiloWatt Hour	kWh
Force	Newton	N
Frequency	Hertz	Hz
Illuminance	Lux	lx
Intensity	Irradiance	W/m²
Length	Metre	m
Length	Kilometre	km
LuminousFlux	Lumen	lm
LuminousIntensity	Candela	cd
MagneticFlux	Weber	Wb
MagneticFluxDensity	Tesla	T
Mass	Kilogram	kg
Mass	Gram	g
Power	Watt	W
Pressure	Pascal	Pa
Pressure	hectoPascal	hPa
Pressure	Millimetre of Mercury	mmHg
Pressure	Bar	bar
Pressure	milliBar	mbar
Radioactivity	Becquerel	Bq
RadiationDoseAbsorbed	Gray	Gy
RadiationDoseEffective	Sievert	Sv
SolidAngle	Steradian	sr
Speed	Metre per Second	m/s
Speed	Kilometre per Hour	km/h
Speed	Knot	kn
Temperature	Kelvin	K
Temperature	Celsius	°C
Time	Second	s
Time	Minute	min
Time	Hour	h
Time	Day	d
Time	Week	week
Time	Year	y
Volume	Cubic Metre	m³

Name	Symbol	Value
Yotta	Y	10²⁴
Zetta	Z	10²¹
Exa	E	10¹⁸
Peta	P	10¹⁵
Tera	T	10¹²
Giga	G	10⁹
Mega	M	10⁶
Kilo	k	10³
Hecto	h	10²
Deca	da	10
Deci	d	10⁻¹
Centi	c	10⁻²
Milli	m	10⁻³
Micro	µ	10⁻⁶
Nano	n	10⁻⁹
Pico	p	10⁻¹²
Femto	f	10⁻¹⁵
Atto	a	10⁻¹⁸
Zepto	z	10⁻²¹
Yocto	y	10⁻²⁴